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[79.124.17.100]) by mx.google.com with ESMTP id a22-20020a056402169600b004542c9947c1si226601edv.217.2022.09.20.07.43.26; Tue, 20 Sep 2022 07:43:26 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 3A38468BBF2; Tue, 20 Sep 2022 17:40:43 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from ursule.remlab.net (vps-a2bccee9.vps.ovh.net [51.75.19.47]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 489E468BB0F for ; Tue, 20 Sep 2022 17:40:20 +0300 (EEST) Received: from basile.remlab.net (localhost [IPv6:::1]) by ursule.remlab.net (Postfix) with ESMTP id 9EB7BC00C1 for ; Tue, 20 Sep 2022 17:40:17 +0300 (EEST) From: remi@remlab.net To: ffmpeg-devel@ffmpeg.org Date: Tue, 20 Sep 2022 17:40:08 +0300 Message-Id: <20220920144013.4959-21-remi@remlab.net> X-Mailer: git-send-email 2.37.2 In-Reply-To: <5602865.DvuYhMxLoT@basile.remlab.net> References: <5602865.DvuYhMxLoT@basile.remlab.net> MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH 21/26] lavc/audiodsp: RISC-V V scalarproduct_int16 X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: +aCeTzNzRNes From: Rémi Denis-Courmont --- libavcodec/riscv/audiodsp_init.c | 2 ++ libavcodec/riscv/audiodsp_rvv.S | 20 ++++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/libavcodec/riscv/audiodsp_init.c b/libavcodec/riscv/audiodsp_init.c index ddd561484f..6f38b7bc83 100644 --- a/libavcodec/riscv/audiodsp_init.c +++ b/libavcodec/riscv/audiodsp_init.c @@ -29,6 +29,7 @@ void ff_vector_clipf_rvf(float *dst, const float *src, int len, float min, float void ff_vector_clipf_rvv(float *dst, const float *src, int len, float min, float max); void ff_vector_clip_int32_rvv(int32_t *dst, const int32_t *src, int32_t min, int32_t max, unsigned int len); +int32_t ff_scalarproduct_int16_rvv(const int16_t *v1, const int16_t *v2, int len); av_cold void ff_audiodsp_init_riscv(AudioDSPContext *c) { @@ -38,6 +39,7 @@ av_cold void ff_audiodsp_init_riscv(AudioDSPContext *c) c->vector_clipf = ff_vector_clipf_rvf; #if HAVE_RVV if (flags & AV_CPU_FLAG_RV_ZVE32X) { + c->scalarproduct_int16 = ff_scalarproduct_int16_rvv; c->vector_clip_int32 = ff_vector_clip_int32_rvv; if (flags & AV_CPU_FLAG_RV_ZVE32F) diff --git a/libavcodec/riscv/audiodsp_rvv.S b/libavcodec/riscv/audiodsp_rvv.S index e5a09f3b19..852ae1dc1f 100644 --- a/libavcodec/riscv/audiodsp_rvv.S +++ b/libavcodec/riscv/audiodsp_rvv.S @@ -20,6 +20,26 @@ #include "libavutil/riscv/asm.S" +func ff_scalarproduct_int16_rvv, zve32x + vsetvli zero, zero, e16, m1, ta, ma + vmv.s.x v8, zero +1: + vsetvli t0, a2, e16, m1, ta, ma + vle16.v v16, (a0) + slli t1, t0, 1 + vle16.v v24, (a1) + sub a2, a2, t0 + vwmul.vv v0, v16, v24 + add a0, a0, t1 + vsetvli zero, t0, e32, m2, ta, ma + vredsum.vs v8, v0, v8 + add a1, a1, t1 + bnez a2, 1b + + vmv.x.s a0, v8 + ret +endfunc + func ff_vector_clip_int32_rvv, zve32x 1: vsetvli t0, a4, e32, m1, ta, ma